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https://gitlab.eurecom.fr/oai/openairinterface5g.git
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Cleanup
This commit is contained in:
@@ -198,55 +198,9 @@ UE on machine 2:
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As of February 2020, all 5G NR development is part of the develop branch (the branch develop-nr is no longer maintained). This also means that all new development will be merged into there once it passes all the CI.
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## NSA setup with COTS UE
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This setup requires an EPC, an OAI eNB and gNB, and a COTS Phone. A dedicated page describe the setup can be found [here](https://gitlab.eurecom.fr/oai/openairinterface5g/wikis/home/gNB-COTS-UE-testing).
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### Launch gNB
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```bash sudo ./nr-softmodem -O ../../../targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf```
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### Launch eNB
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```bash sudo ./lte-softmodem -O ../../../targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210.conf```
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## phy-test setup with OAI UE
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The OAI UE can also be used in front of a OAI gNB without the support of eNB or EPC. In this case both gNB and eNB need to be run with the --phy-test flag. At the gNB this flag does the following
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- it reads the RRC configuration from the configuration file
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- it encodes the RRCConfiguration and the RBconfig message and stores them in the binary files rbconfig.raw and reconfig.raw
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- the MAC uses a pre-configured allocation of PDSCH and PUSCH with randomly generated payload
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At the UE the --phy-test flag will
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- read the binary files rbconfig.raw and reconfig.raw from the current directory (a different directory can be specified with the flag --rrc_config_path) and process them.
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### Launch gNB
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```bash sudo ./nr-softmodem -O ../../../targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf --phy-test```
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### Launch UE in another window
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```bash sudo ./nr-uesoftmodem --phy-test [--rrc_config_path ../../../ci-scripts/rrc-files]```
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Some other useful paramters of the UE are
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- --ue-fo-compensation: enables the frequency offset compenstation at the UE. This is useful when running over the air and/or without an external clock/time source
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- --usrp-args: this is the equivalend paramter of sdr_addrs field in the gNB config file and can be used to identify the USRP and set some basic paramters (like the clock source)
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- --clock-source: sets the clock-source (internal or external).
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- --time-source: sets the time-source (internal or external).
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## noS1 setup with OAI UE
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Instead of randomly generated payload, in the phy-test mode we can also inject/receive user-plane traffic over a TUN interface. This is the so-called noS1 mode.
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This setup is described in the [rfsimulator page](../targets/ARCH/rfsimulator/README.md#5g-case). In theory this should also work with the real hardware target although this has yet to be tested.
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[oai wiki home](https://gitlab.eurecom.fr/oai/openairinterface5g/wikis/home)
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@@ -1,38 +1,2 @@
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# Changelog
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### 14/06/20
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* we are not clear on how the parameters are extracted from the config file
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* in ssc struct
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* for some values it is okay and for others it is zero (in `config_request`)
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* This causes Assertion Failures leading to termination on PNF side.
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### 15/06/20
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* The values to config request are assigned in: `config_common()` in `config.c`
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* need to add lines for `cfg->nfapi_config`
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* the config request unpacked on pnf side still has some zero values, which causes assertional failure in from_nrarfcn()
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### 16/06/20
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* Config request is recived and unpacked correctly
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* Regarding config response
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* we are confused about its' struct definition
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* it says list of TLVs in its entirety
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* and we need to dyanmically insert the invalid TLVs after checking in a categorical fashion
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* Need to think of a data structure to enable this feature.
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```struct{
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list of uint8_t tlvs
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list of uint16_t tlvs
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list of uint32_t tlvs
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}list of tlvs
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```
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* Need the `N_RB` value to be non-zero and obtained from the config file. (carrier config grid size)
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`int N_RB = gNB_config->carrier_config.dl_grid_size[gNB_config->ssb_config.scs_common.value].value;`
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* how is this `gNB_config` assigned its values?
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### 19/06/20
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* `ret = openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);` sloc: 1428 in `nr-ru.c`
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* the `ru->rfdevice` has all members zero or null.
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* This issue was solved by adding `sdr_addrs` to config file of PNF.
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* `if (cfg->tdd_table.max_tdd_periodicity_list[nr_tti].max_num_of_symbol_per_slot_list[symbol_count].slot_config.value==1`
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* throws segmentation error
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* `max_tdd_periodicity_list` is not assigned memory
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29
nfapi/oai_integration/.vscode/launch.json
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29
nfapi/oai_integration/.vscode/launch.json
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@@ -1,29 +0,0 @@
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{
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// Use IntelliSense to learn about possible attributes.
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// Hover to view descriptions of existing attributes.
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// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
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"version": "0.2.0",
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"configurations": [
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{
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"name": "gcc - Build and debug active file",
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"type": "cppdbg",
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"request": "launch",
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"program": "${fileDirname}/${fileBasenameNoExtension}",
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"args": [],
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"stopAtEntry": false,
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"cwd": "${workspaceFolder}",
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"environment": [],
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"externalConsole": false,
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"MIMode": "gdb",
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"setupCommands": [
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{
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"description": "Enable pretty-printing for gdb",
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"text": "-enable-pretty-printing",
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"ignoreFailures": true
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}
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],
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"preLaunchTask": "gcc build active file",
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"miDebuggerPath": "/usr/bin/gdb"
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}
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]
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}
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23
nfapi/oai_integration/.vscode/tasks.json
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23
nfapi/oai_integration/.vscode/tasks.json
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@@ -1,23 +0,0 @@
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{
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"version": "2.0.0",
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"tasks": [
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{
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"type": "shell",
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"label": "C/C++: gcc build active file",
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"command": "/usr/bin/gcc",
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"args": [
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"-g",
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"${file}",
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"-o",
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"${fileDirname}/${fileBasenameNoExtension}"
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],
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"options": {
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"cwd": "/usr/bin"
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},
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"problemMatcher": [
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"$gcc"
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],
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"group": "build"
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}
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]
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}
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